Examlex
QBE uses a series of keywords and commands to select the rows and columns for a query.
Signals
Means of communication or interaction between cells, organisms, or molecules that trigger responses.
Cyclic AMP
A secondary messenger important in many biological processes, formed from ATP by the action of adenylyl cyclase.
Second Messenger
A substance (e.g., cyclic AMP or calcium ions) that relays a message from a signaling molecule (the first messenger) bound to a cell-surface receptor; leads to some change in the cell.
Protein Kinase A
An enzyme that transfers phosphate groups from ATP to specific proteins, playing a key role in the regulation of cellular processes.
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